Abdominal exercise device

Abstract

An abdominal exercise device that includes a bendable, contoured, cushion surface upon which the user may properly perform sit-ups, stomach crunches, etc. The exercise device also includes strap assemblies and elastic resistance bands to allow the user to perform other exercises.

What is claimed is:  
     
       1. An abdominal exercise device comprising: 
       a rigid base/frame assembly;  
       a user support cushion assembly;  
       two adjustable stretch bands;  
       two leg/arm strap assemblies each including a detachable base/frame attachment fastener at one end and a user adjustable extremity fastening belt at an opposite end; and  
       eight adjustable spring assemblies each interconnected between a top support plate of said rigid base/frame assembly and one of two hingedly connected, rigid, contoured back cushion support plates of sail user support cushion assembly;  
       said rigid base/frame assembly including a rigid base structure having a top surface and four tubular frame members each ligitly affixed to and extending upwardly from a separate corner of a rectangular base structure support frame upon which said rigid base structure is mounted;  
       said rigid base frame assembly having two spaced pairs of leg/arm strap assembly connecting rings provided at each opposed end thereof to which said detachable base/frame attachment fastener of said leg/arm fastener straps are attachable;  
       said user support cushion assembly including two hingedly connected, rigid, contoured back cushion support plates that are connected by a center hinge and which are each hingedly connected at an opposite end thereof to said top ends of two of said four tubular frame members and a user support cushion formed of open cell foam and bonded, rigid, contoured back cushion support plates;  
       each of said two adjustable stretch bands being adjustably connected between a respective pair of top ends of said four tubular frame members to which an opposite end of a back cushion supported plate is hingedly connected;  
       each of said eight adjustable spring assemblies including a support spring, a spring bottom end retaining cup having a cavity within which a bottom end of said support spring is secured and a bottom cup structure rigidly affixed to said top surface of said rigid base structure and a spring top end retaining cup assembly rigidly affixed to a bottom surface of one of said two hingedly connected, rigid, contoured back cushion support plates and having a spring holding mechanism including a spring top end receiving cavity and a spring securing pin insertable through said sidewalls of said spring top end retaining cup assembly and said spring top end such that said user can select said length of said spring top end held within spring top crd receiving cavity and thereby adjust said effective spring distance between said top surface of said rigid base structure and said bottom surface of said respective rigid, contoured back cushion support plate.